Math  /  Algebra

QuestionSolve using the addition principle. 215+x=72 \frac{1}{5}+x=7

Studdy Solution
Check the solution by substituting x=245 x = \frac{24}{5} back into the original equation:
215+245=7 2 \frac{1}{5} + \frac{24}{5} = 7
Convert 215 2 \frac{1}{5} to 115 \frac{11}{5} and add:
115+245=355=7 \frac{11}{5} + \frac{24}{5} = \frac{35}{5} = 7
Both sides are equal, confirming the solution.
The solution is:
245 \boxed{\frac{24}{5}}

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